Drag & Drop in Your Angular Apps With ng2-dragula
ng2-dragula is an Angular 2+ wrapper for the popular Dragula drag and drop library. Here’s how to use it.
How to Harden PHP 8.3: disable_functions, open_basedir, opcache on RHEL 9
PHP hardening reduces the attack surface of web applications by restricting what PHP scripts can do at the interpreter level. A default PHP installation exposes powerful functions that can be abused by attackers who exploit code injection vulnerabilities: system(), exec(), and passthru() allow execution of arbitrary OS commands; file_get_contents() with allow_url_fopen can fetch remote files; […]
Oracle Linux 8 – Common Problem 025 – Diagnosis and Fix
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Oracle Linux 8 📖 ~3 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Gentoo Linux — dev-python/Babel — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202208-03 Related CVEs: CVE-2021-20095 Upstream summary: Babel does not properly restrict which sources a locale can be loaded from. If Babel loads an attacker-controlled .dat file, arbitrary code execution can be achieved […]
Ubuntu 20.04 LTS – UFW policy change blocks SSH and remote administration – Fix & Prevention
🔴 Critical ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
SSH login fails after hardened AppArmor profile update
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
openSUSE Tumbleweed — liblasso3 — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:1057-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-28091 Upstream summary: Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature. Table of contents Symptom & Impact Environment & Reproduction […]
RHEL 8 multipathd Path Flapping Producing Intermittent IO Delays
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
How to Set Up a Bond Network Interface on Oracle Linux 8
Introduction Setting up set up a bond network interface on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Bond Network Interface on Oracle Linux 8, with all the commands you need, the SELinux […]
How to Use instfix to Check Installed Fixes on IBM AIX 7.2
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use instfix to check installed fixes on ibm aix […]
